using System.Collections.Generic;

namespace Framework.Extensions
{
    public static class PropertyChangedEventArgsExtension
    {
        
    }
    public static class DictionaryExtension
    {
        public static TValue TryGetValue<TKey, TValue>(this Dictionary<TKey, TValue> source, TKey key)
        {
            TValue result = default(TValue);
            source.TryGetValue(key, out result);
            return result;
        }
    }
}